phacus is a unicellular of the phylum euglenozoa under the microscope

algae animal biology biotechnology cell celled cells contractile discovery division education experiment eyespot flagella flagellum grains greenish laboratory life light limnology macro macronucleus macrophotography magnification micro microbiology micrograph micronuleus microorganism microscope nucleus optical organism paramylon pellicle phytoplankton plankton protista protozoa protozoan research school science scientific single university vacuole water zoology